2 * Copyright (C) 2000 Deep Blue Solutions Ltd
3 * Copyright (C) 2002 Shane Nay (shane@minirl.com)
4 * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include <linux/platform_device.h>
22 #include <linux/mtd/mtd.h>
23 #include <linux/mtd/map.h>
24 #include <linux/mtd/partitions.h>
25 #include <linux/mtd/physmap.h>
26 #include <mach/common.h>
27 #include <mach/hardware.h>
28 #include <asm/mach-types.h>
29 #include <asm/mach/arch.h>
30 #include <asm/mach/time.h>
31 #include <asm/mach/map.h>
32 #include <mach/gpio.h>
33 #include <mach/imx-uart.h>
34 #include <mach/iomux.h>
35 #include <mach/board-mx27ads.h>
40 static struct physmap_flash_data mx27ads_flash_data = {
44 static struct resource mx27ads_flash_resource = {
46 .end = 0xc0000000 + 0x02000000 - 1,
47 .flags = IORESOURCE_MEM,
51 static struct platform_device mx27ads_nor_mtd_device = {
52 .name = "physmap-flash",
55 .platform_data = &mx27ads_flash_data,
58 .resource = &mx27ads_flash_resource,
61 static int mxc_uart0_pins[] = {
68 static int uart_mxc_port0_init(struct platform_device *pdev)
70 return mxc_gpio_setup_multiple_pins(mxc_uart0_pins,
71 ARRAY_SIZE(mxc_uart0_pins), "UART0");
74 static void uart_mxc_port0_exit(struct platform_device *pdev)
76 mxc_gpio_release_multiple_pins(mxc_uart0_pins,
77 ARRAY_SIZE(mxc_uart0_pins));
80 static int mxc_uart1_pins[] = {
87 static int uart_mxc_port1_init(struct platform_device *pdev)
89 return mxc_gpio_setup_multiple_pins(mxc_uart1_pins,
90 ARRAY_SIZE(mxc_uart1_pins), "UART1");
93 static void uart_mxc_port1_exit(struct platform_device *pdev)
95 mxc_gpio_release_multiple_pins(mxc_uart1_pins,
96 ARRAY_SIZE(mxc_uart1_pins));
99 static int mxc_uart2_pins[] = {
106 static int uart_mxc_port2_init(struct platform_device *pdev)
108 return mxc_gpio_setup_multiple_pins(mxc_uart2_pins,
109 ARRAY_SIZE(mxc_uart2_pins), "UART2");
112 static void uart_mxc_port2_exit(struct platform_device *pdev)
114 mxc_gpio_release_multiple_pins(mxc_uart2_pins,
115 ARRAY_SIZE(mxc_uart2_pins));
118 static int mxc_uart3_pins[] = {
125 static int uart_mxc_port3_init(struct platform_device *pdev)
127 return mxc_gpio_setup_multiple_pins(mxc_uart3_pins,
128 ARRAY_SIZE(mxc_uart3_pins), "UART3");
131 static void uart_mxc_port3_exit(struct platform_device *pdev)
133 mxc_gpio_release_multiple_pins(mxc_uart3_pins,
134 ARRAY_SIZE(mxc_uart3_pins));
137 static int mxc_uart4_pins[] = {
144 static int uart_mxc_port4_init(struct platform_device *pdev)
146 return mxc_gpio_setup_multiple_pins(mxc_uart4_pins,
147 ARRAY_SIZE(mxc_uart4_pins), "UART4");
150 static void uart_mxc_port4_exit(struct platform_device *pdev)
152 mxc_gpio_release_multiple_pins(mxc_uart4_pins,
153 ARRAY_SIZE(mxc_uart4_pins));
156 static int mxc_uart5_pins[] = {
163 static int uart_mxc_port5_init(struct platform_device *pdev)
165 return mxc_gpio_setup_multiple_pins(mxc_uart5_pins,
166 ARRAY_SIZE(mxc_uart5_pins), "UART5");
169 static void uart_mxc_port5_exit(struct platform_device *pdev)
171 mxc_gpio_release_multiple_pins(mxc_uart5_pins,
172 ARRAY_SIZE(mxc_uart5_pins));
175 static struct platform_device *platform_devices[] __initdata = {
176 &mx27ads_nor_mtd_device,
180 static int mxc_fec_pins[] = {
192 PD11_AOUT_FEC_TX_CLK,
195 PD14_AOUT_FEC_RX_CLK,
201 static void gpio_fec_active(void)
203 mxc_gpio_setup_multiple_pins(mxc_fec_pins,
204 ARRAY_SIZE(mxc_fec_pins), "FEC");
207 static struct imxuart_platform_data uart_pdata[] = {
209 .init = uart_mxc_port0_init,
210 .exit = uart_mxc_port0_exit,
211 .flags = IMXUART_HAVE_RTSCTS,
213 .init = uart_mxc_port1_init,
214 .exit = uart_mxc_port1_exit,
215 .flags = IMXUART_HAVE_RTSCTS,
217 .init = uart_mxc_port2_init,
218 .exit = uart_mxc_port2_exit,
219 .flags = IMXUART_HAVE_RTSCTS,
221 .init = uart_mxc_port3_init,
222 .exit = uart_mxc_port3_exit,
223 .flags = IMXUART_HAVE_RTSCTS,
225 .init = uart_mxc_port4_init,
226 .exit = uart_mxc_port4_exit,
227 .flags = IMXUART_HAVE_RTSCTS,
229 .init = uart_mxc_port5_init,
230 .exit = uart_mxc_port5_exit,
231 .flags = IMXUART_HAVE_RTSCTS,
235 static void __init mx27ads_board_init(void)
239 mxc_register_device(&mxc_uart_device0, &uart_pdata[0]);
240 mxc_register_device(&mxc_uart_device1, &uart_pdata[1]);
241 mxc_register_device(&mxc_uart_device2, &uart_pdata[2]);
242 mxc_register_device(&mxc_uart_device3, &uart_pdata[3]);
243 mxc_register_device(&mxc_uart_device4, &uart_pdata[4]);
244 mxc_register_device(&mxc_uart_device5, &uart_pdata[5]);
246 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
249 static void __init mx27ads_timer_init(void)
251 unsigned long fref = 26000000;
253 if ((__raw_readw(PBC_VERSION_REG) & CKIH_27MHZ_BIT_SET) == 0)
256 mx27_clocks_init(fref);
259 static struct sys_timer mx27ads_timer = {
260 .init = mx27ads_timer_init,
263 static struct map_desc mx27ads_io_desc[] __initdata = {
265 .virtual = PBC_BASE_ADDRESS,
266 .pfn = __phys_to_pfn(CS4_BASE_ADDR),
272 static void __init mx27ads_map_io(void)
275 iotable_init(mx27ads_io_desc, ARRAY_SIZE(mx27ads_io_desc));
278 MACHINE_START(MX27ADS, "Freescale i.MX27ADS")
279 /* maintainer: Freescale Semiconductor, Inc. */
280 .phys_io = AIPI_BASE_ADDR,
281 .io_pg_offst = ((AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
282 .boot_params = PHYS_OFFSET + 0x100,
283 .map_io = mx27ads_map_io,
284 .init_irq = mxc_init_irq,
285 .init_machine = mx27ads_board_init,
286 .timer = &mx27ads_timer,